Question

If the price of sugar falls down by 20%, by how much %
must a householder increase its consumption, so as not
to decrease expenditure in this item?
a) 25%
b) 20%
c) 30%
d) 15%​

Answer 1

Answer:

I think the answer should be 25%

Answer 2

Answer:

25%

Step-by-step explanation:

$increment = \frac{x \times 100}{100 - x}$

where x is 20% (the percentage of rate down)

according to formula

$\frac{20 \times 100}{100 - 20} = \frac{2000}{80} = 25$